Individual Calculations October 2012
 Chlost, Marlena  Total change: -7.50  Rating chartPersonal card
 Extraliga Seniorow - Round 4-6 Gorzow Wlkp. POL 2012-09-14
 2302 2175 0.50 3 -0.50 15 -7.50 
  Szczepkowska-Horowska, Karina wg2375 POL0.001-0.2415-3.60 
  Jaracz, Barbara wg2312 POL0.001-0.3215-4.80 
  Czarnota, Dorota wm2219 POL0.5010.06150.90 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)


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